 var rollwidth = document.getElementById("bigbox");
    var x = rollwidth.getElementsByTagName("div");
    rollwidth.style.width = 6.4 * x.length + "rem";
    var box11=document.getElementById("seebox");
    var box22=document.getElementById("bigbox");
    //var a=box11.offsetWidth;
    var index=0;
    function roll()
    {
        index++;
        if(index> x.length-1)
        {
            index=1;
            box22.className="content_box1";
        }
        if(index==2)
        {
            box22.className="content_box";
        }
        var b=-index*6.4;
        box22.style.left=b+"rem";
    }
    var timer=setInterval(roll,2000);
    //固定底部标签栏的函数，多余！！
    //var containerbox=document.getElementById("container1");
    //var a=screen.height;
    //var docE2=document.documentElement;
    //var z=docE2.style.fontSize;
    ////alert(z);
    //var e=a/parseFloat(z)-0.98;
    //var footbox=document.getElementById("foot1");
    //footbox.style.top=e+"rem";
    var login_logo=document.getElementById("ren_content");
    function openbox() {
        //suoyou.style.display = "none";
        window.open("login.html","_self")
    }
    login_logo.addEventListener("touchend",openbox,false);